Abundances for a large sample of red giants in NGC 1851: hints for a merger of two clusters?

Abundances in Turn-off Stars in the Old, Metal-Rich Open Cluster, NGC 6791

Abundances of Disk Planetary Nebulae in M31 and the Radial Oxygen Gradient

Abundances of Galactic Anticenter Planetary Nebulae and the Oxygen Abundance Gradient in the Galactic Disk

Abundances of PAHs in the ISM: Confronting Observations with Experimental Results

Acceleration and ejection of ring vortexes by a convergent flow as a probable mechanism of arising jet components of AGN

Acceleration of small astrophysical grains due to charge fluctuations

Acceleration of Small Dust Grains due to Charge Fluctuations

Accounting for the Foreground Contribution to the Dust Emission towards Kepler's Supernova Remnant

Accreted versus In Situ Milky Way Globular Clusters

Accretion and star formation rates in low redshift type-II active galactic nuclei

Accretion by the Galaxy

Accretion Discs in Blazars

Accretion disk warping by resonant relaxation: The case of maser disk NGC4258

Accretion Onto the Supermassive Black Hole in the High-redshift Radio-loud AGN 0957+561

Accuracy and Efficiency of Raytracing Photoionisation Algorithms

Accuracy Diagrams for the Galactic Rotation Curve and Kinematical Distances

Accuracy of core mass estimates in simulated observations of dust emission

Accuracy of Star Cluster Parameters from Integrated UBVRIJHK Photometry

Accurate laboratory rest frequencies of vibrationally excited CO up to $varv = 3$ and up to 2 THz